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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.aerospike;
aerospikeConf = pkgs.writeText "aerospike.conf" ''
# This stanza must come first.
service {
user aerospike
group aerospike
paxos-single-replica-limit 1 # Number of nodes where the replica count is automatically reduced to 1.
proto-fd-max 15000
work-directory ${cfg.workDir}
}
logging {
console {
context any info
}
}
mod-lua {
system-path ${cfg.package}/share/udf/lua
user-path ${cfg.workDir}/udf/lua
}
network {
${cfg.networkConfig}
}
${cfg.extraConfig}
'';
in
{
###### interface
options = {
services.aerospike = {
enable = mkEnableOption "Aerospike server";
package = mkOption {
default = pkgs.aerospike;
defaultText = literalExpression "pkgs.aerospike";
type = types.package;
description = "Which Aerospike derivation to use";
};
workDir = mkOption {
type = types.str;
default = "/var/lib/aerospike";
description = "Location where Aerospike stores its files";
};
networkConfig = mkOption {
type = types.lines;
default = ''
service {
address any
port 3000
}
heartbeat {
address any
mode mesh
port 3002
interval 150
timeout 10
}
fabric {
address any
port 3001
}
info {
address any
port 3003
}
'';
description = "network section of configuration file";
};
extraConfig = mkOption {
type = types.lines;
default = "";
example = ''
namespace test {
replication-factor 2
memory-size 4G
default-ttl 30d
storage-engine memory
}
'';
description = "Extra configuration";
};
};
};
###### implementation
config = mkIf config.services.aerospike.enable {
users.users.aerospike = {
name = "aerospike";
group = "aerospike";
uid = config.ids.uids.aerospike;
description = "Aerospike server user";
};
users.groups.aerospike.gid = config.ids.gids.aerospike;
systemd.services.aerospike = rec {
description = "Aerospike server";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${cfg.package}/bin/asd --fgdaemon --config-file ${aerospikeConf}";
User = "aerospike";
Group = "aerospike";
LimitNOFILE = 100000;
PermissionsStartOnly = true;
};
preStart = ''
if [ $(echo "$(${pkgs.procps}/bin/sysctl -n kernel.shmall) < 4294967296" | ${pkgs.bc}/bin/bc) == "1" ]; then
echo "kernel.shmall too low, setting to 4G pages"
${pkgs.procps}/bin/sysctl -w kernel.shmall=4294967296
fi
if [ $(echo "$(${pkgs.procps}/bin/sysctl -n kernel.shmmax) < 1073741824" | ${pkgs.bc}/bin/bc) == "1" ]; then
echo "kernel.shmmax too low, setting to 1GB"
${pkgs.procps}/bin/sysctl -w kernel.shmmax=1073741824
fi
if [ $(echo "$(cat /proc/sys/net/core/rmem_max) < 15728640" | ${pkgs.bc}/bin/bc) == "1" ]; then
echo "increasing socket buffer limit (/proc/sys/net/core/rmem_max): $(cat /proc/sys/net/core/rmem_max) -> 15728640"
echo 15728640 > /proc/sys/net/core/rmem_max
fi
if [ $(echo "$(cat /proc/sys/net/core/wmem_max) < 5242880" | ${pkgs.bc}/bin/bc) == "1" ]; then
echo "increasing socket buffer limit (/proc/sys/net/core/wmem_max): $(cat /proc/sys/net/core/wmem_max) -> 5242880"
echo 5242880 > /proc/sys/net/core/wmem_max
fi
install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}"
install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/smd"
install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/udf"
install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/udf/lua"
'';
};
};
}
|